""" BFD tests """
from __future__ import division
-import unittest
-import hashlib
+
import binascii
+import hashlib
import time
-from struct import pack, unpack
+import unittest
from random import randint, shuffle, getrandbits
from socket import AF_INET, AF_INET6, inet_ntop
-from scapy.packet import Raw
-from scapy.layers.l2 import Ether
+from struct import pack, unpack
+
+from six import moves
from scapy.layers.inet import UDP, IP
from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+
from bfd import VppBFDAuthKey, BFD, BFDAuthType, VppBFDUDPSession, \
BFDDiagCode, BFDState, BFD_vpp_echo
from framework import VppTestCase, VppTestRunner, running_extended_tests
-from vpp_pg_interface import CaptureTimeoutError, is_ipv6_misc
-from vpp_lo_interface import VppLoInterface
from util import ppp
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_lo_interface import VppLoInterface
from vpp_papi_provider import UnexpectedApiReturnValueError
-from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
+from vpp_pg_interface import CaptureTimeoutError, is_ipv6_misc
USEC_IN_SEC = 1000000
conf_key_id=conf_key_id, key=key)
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDAPITestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) - API"""
session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
session.add_vpp_config()
- with self.vapi.expect_negative_api_retval():
+ with self.vapi.assert_negative_api_retval():
session.add_vpp_config()
session.remove_vpp_config()
session.add_vpp_config()
session.activate_auth(key2)
+ def test_set_del_udp_echo_source(self):
+ """ set/del udp echo source """
+ self.create_loopback_interfaces(1)
+ self.loopback0 = self.lo_interfaces[0]
+ self.loopback0.admin_up()
+ echo_source = self.vapi.bfd_udp_get_echo_source()
+ self.assertFalse(echo_source.is_set)
+ self.assertFalse(echo_source.have_usable_ip4)
+ self.assertFalse(echo_source.have_usable_ip6)
+
+ self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index)
+ echo_source = self.vapi.bfd_udp_get_echo_source()
+ self.assertTrue(echo_source.is_set)
+ self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index)
+ self.assertFalse(echo_source.have_usable_ip4)
+ self.assertFalse(echo_source.have_usable_ip6)
+
+ self.loopback0.config_ip4()
+ unpacked = unpack("!L", self.loopback0.local_ip4n)
+ echo_ip4 = pack("!L", unpacked[0] ^ 1)
+ echo_source = self.vapi.bfd_udp_get_echo_source()
+ self.assertTrue(echo_source.is_set)
+ self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index)
+ self.assertTrue(echo_source.have_usable_ip4)
+ self.assertEqual(echo_source.ip4_addr, echo_ip4)
+ self.assertFalse(echo_source.have_usable_ip6)
+
+ self.loopback0.config_ip6()
+ unpacked = unpack("!LLLL", self.loopback0.local_ip6n)
+ echo_ip6 = pack("!LLLL", unpacked[0], unpacked[1], unpacked[2],
+ unpacked[3] ^ 1)
+ echo_source = self.vapi.bfd_udp_get_echo_source()
+ self.assertTrue(echo_source.is_set)
+ self.assertEqual(echo_source.sw_if_index, self.loopback0.sw_if_index)
+ self.assertTrue(echo_source.have_usable_ip4)
+ self.assertEqual(echo_source.ip4_addr, echo_ip4)
+ self.assertTrue(echo_source.have_usable_ip6)
+ self.assertEqual(echo_source.ip6_addr, echo_ip6)
+
+ self.vapi.bfd_udp_del_echo_source()
+ echo_source = self.vapi.bfd_udp_get_echo_source()
+ self.assertFalse(echo_source.is_set)
+ self.assertFalse(echo_source.have_usable_ip4)
+ self.assertFalse(echo_source.have_usable_ip6)
+
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDTestSession(object):
""" BFD session as seen from test framework side """
def verify_event(test, event, expected_state):
""" Verify correctness of event values. """
e = event
- test.logger.debug("BFD: Event: %s" % repr(e))
+ test.logger.debug("BFD: Event: %s" % moves.reprlib.repr(e))
test.assert_equal(e.sw_if_index,
test.vpp_session.interface.sw_if_index,
"BFD interface index")
return p
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFD4TestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD)"""
cls.vapi.cli("set log class bfd level debug")
try:
cls.create_pg_interfaces([0])
- cls.create_loopback_interfaces([0])
+ cls.create_loopback_interfaces(1)
cls.loopback0 = cls.lo_interfaces[0]
cls.loopback0.config_ip4()
cls.loopback0.admin_up()
bfd_session_up(self)
bfd_session_down(self)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
self.assert_equal(len(self.vapi.collect_events()), 0,
"number of bfd events")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_slow_timer(self):
""" verify slow periodic control frames while session down """
packet_count = 3
time_diff, 0.70, 1.05, "time between slow packets")
prev_packet = next_packet
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_zero_remote_min_rx(self):
""" no packets when zero remote required min rx interval """
bfd_session_up(self)
self.assert_equal(
len(self.vapi.collect_events()), 0, "number of bfd events")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_conn_down(self):
""" verify session goes down after inactivity """
bfd_session_up(self)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.down)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_large_required_min_rx(self):
""" large remote required min rx interval """
bfd_session_up(self)
break
self.assert_equal(count, 0, "number of packets received")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_immediate_remote_min_rx_reduction(self):
""" immediately honor remote required min rx reduction """
self.vpp_session.remove_vpp_config()
"time between BFD packets")
reference_packet = p
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_modify_req_min_rx_double(self):
""" modify session - double required min rx """
bfd_session_up(self)
self.assert_in_range(time_to_event, .9 * timeout,
1.1 * timeout, "session timeout")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_modify_req_min_rx_halve(self):
""" modify session - halve required min rx """
self.vpp_session.modify_parameters(
"time before bfd session goes down")
verify_event(self, e, expected_state=BFDState.down)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_modify_detect_mult(self):
""" modify detect multiplier """
bfd_session_up(self)
self.assertNotIn("P", p.sprintf("%BFD.flags%"),
"Poll bit not set in BFD packet")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_queued_poll(self):
""" test poll sequence queueing """
bfd_session_up(self)
self.assertNotIn("P", p.sprintf("%BFD.flags%"),
"Poll bit set in BFD packet")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_poll_response(self):
""" test correct response to control frame with poll bit set """
bfd_session_up(self)
self, pcap_time_min=time.time() - self.vpp_clock_offset)
self.assertIn("F", final.sprintf("%BFD.flags%"))
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_no_periodic_if_remote_demand(self):
""" no periodic frames outside poll sequence if remote demand set """
bfd_session_up(self)
self.test_session.send_packet()
self.assertTrue(echo_seen, "No echo packets received")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_echo_fail(self):
""" session goes down if echo function fails """
bfd_session_up(self)
self.assert_equal(events[0].state, BFDState.down, BFDState)
self.assertTrue(verified_diag, "Incorrect diagnostics code received")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_echo_stop(self):
""" echo function stops if peer sets required min echo rx zero """
bfd_session_up(self)
events = self.vapi.collect_events()
self.assert_equal(len(events), 0, "number of bfd events")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_echo_source_removed(self):
""" echo function stops if echo source is removed """
bfd_session_up(self)
events = self.vapi.collect_events()
self.assert_equal(len(events), 0, "number of bfd events")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_stale_echo(self):
""" stale echo packets don't keep a session up """
bfd_session_up(self)
self.test_session.send_packet()
self.assertTrue(timeout_ok, "Expected timeout event didn't occur")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_invalid_echo_checksum(self):
""" echo packets with invalid checksum don't keep a session up """
bfd_session_up(self)
self.test_session.send_packet()
self.assertTrue(timeout_ok, "Expected timeout event didn't occur")
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_admin_up_down(self):
""" put session admin-up and admin-down """
bfd_session_up(self)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.up)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_config_change_remote_demand(self):
""" configuration change while peer in demand mode """
bfd_session_up(self)
def test_intf_deleted(self):
""" interface with bfd session deleted """
- intf = VppLoInterface(self, 0)
+ intf = VppLoInterface(self)
intf.config_ip4()
intf.admin_up()
sw_if_index = intf.sw_if_index
self.assertFalse(vpp_session.query_vpp_config())
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFD6TestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (IPv6) """
cls.pg0.configure_ipv6_neighbors()
cls.pg0.admin_up()
cls.pg0.resolve_ndp()
- cls.create_loopback_interfaces([0])
+ cls.create_loopback_interfaces(1)
cls.loopback0 = cls.lo_interfaces[0]
cls.loopback0.config_ip6()
cls.loopback0.admin_up()
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
def test_intf_deleted(self):
""" interface with bfd session deleted """
- intf = VppLoInterface(self, 0)
+ intf = VppLoInterface(self)
intf.config_ip6()
intf.admin_up()
sw_if_index = intf.sw_if_index
self.assertFalse(vpp_session.query_vpp_config())
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDFIBTestCase(VppTestCase):
""" BFD-FIB interactions (IPv6) """
packet[IPv6].dst)
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDSHA1TestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (SHA1 auth) """
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_hold_up(self):
""" hold BFD session up """
key = self.factory.create_random_key(self)
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_hold_up_meticulous(self):
""" hold BFD session up - meticulous auth """
key = self.factory.create_random_key(
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_send_bad_seq_number(self):
""" session is not kept alive by msgs with bad sequence numbers"""
key = self.factory.create_random_key(
wait_for_bfd_packet(self)
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_mismatch_auth(self):
""" session is not brought down by unauthenticated msg """
key = self.factory.create_random_key(self)
legitimate_test_session,
rogue_test_session)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_mismatch_bfd_key_id(self):
""" session is not brought down by msg with non-existent key-id """
key = self.factory.create_random_key(self)
legitimate_test_session,
rogue_test_session)
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_mismatched_auth_type(self):
""" session is not brought down by msg with wrong auth type """
key = self.factory.create_random_key(self)
vpp_session, legitimate_test_session, rogue_test_session,
{'auth_type': BFDAuthType.keyed_md5})
- @unittest.skipUnless(running_extended_tests(), "part of extended tests")
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_restart(self):
""" simulate remote peer restart and resynchronization """
key = self.factory.create_random_key(
bfd_session_up(self)
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDAuthOnOffTestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (changing auth) """
"number of bfd events")
-@unittest.skipUnless(running_extended_tests(), "part of extended tests")
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
class BFDCLITestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (CLI) """
pg0 = None
def test_set_del_udp_echo_source(self):
""" set/del udp echo source """
- self.create_loopback_interfaces([0])
+ self.create_loopback_interfaces(1)
self.loopback0 = self.lo_interfaces[0]
self.loopback0.admin_up()
self.cli_verify_response("show bfd echo-source",
Code Review / vpp.git / blobdiff